Royal Canin Veterinary Diets Urinary SO is a complete dietetic feed for cats. Its urine acidifying properties and its low level of magnesium make it suitable for dissolving struvite stones and reducing their recurrence. It is recommended for pregnancy, lactation, growth, chronic renal failure, metabolic acidosis, heart failure, hypertension and treatment with urine acidifying drugs.Key Benefits Struvite Dissolution helps dissolve all types of struvite stones. Low RSS helps lower the concentration of ions contributing to crystal formation. Urine Dissolution helps make the urine less liable to form struvite and calcium oxalate stones. Low Magnesium is a natural component of struvite crystals.IngredientsRice, wheat gluten**, dehydrated poultry protein, maize flour, animal fats, hydrolysed animal proteins, maize gluten, minerals, vegetable fibres, fish oil, soya oil, fructo-oligo-saccharides, marigold extract (source of lutein). **L.I.P.: protein selected for its very high digestibility.Analytical ConstituentsCrude ash: 8.9%. Crude fibre: 2.9%. Crude oil fats: 15%. Protein: 34.5%.Nutritional additivesVitamin A: 21500 IU, Vitamin D3: 800 IU, E1 (Iron): 37 mg, E2 (Iodine): 3.7 mg, E4 (Copper): 11 mg, E5 (Manganese): 48 mg, E6 (Zinc): 136 mg, E8 (Selenium): 0.06 mg, Urine acidifying substances: calcium sulphate (1.25%). Preservatives - Antioxidants.Analysis TableArachidonic acid (%) 0.07Ash (%) 1.5Biotin (mg/kg) 0.05Calcium (%) 0.16Fibre (%) 1.7Dietary fibre (%) 2.0DL-methionine (%) 0.15EPA/DHA (%) 0.12Fat (%) 5.5Glucosamine chloride (mg/kg) 990.0Glucosamine plus chondroitin (mg/kg) 460.0Linoleic acid (%) 1.35Lutein (mg/kg) 1.3Metabolisable energy (calculated according to NRC85) (kcal/kg) 968.0Metabolisable energy (measured) (kcal/kg) 1000.0Methionine Cystine (%) 0.25Moisture (%) 77.0Nitrogen-free extract (NFE) (%) 6.1Omega 3 (%) 0.4Omega 6 (%) 1.5Phosphorus (%) 0.14Protein (%) 8.2Starch (%) 5.8Taurine (mg/kg) 1350.0Vitamin A (UI/kg) 6000.0Vitamin E (mg/kg) 125.0[3J7LDTPFJ] (kcal/kg) 998.0Feeding Guide Cat weight (kg) (g / day) Can / day (g / day) Can / day (g / day) Can/ day 2 100 1/2 125 3/4 150 3/4 3 135 3/4 170 3/4 205 1 4 165 3/4 210 1 250 1 1/4 5 195 1 245 1 1/4 290 1 1/2 6 220 1 1/4 275 1 1/2 335 1 3/4 7 250 1 1/4 310 1 1/2 370 2 8 270 1 1/2 340 1 3/4 410 2 9 295 1 1/2 370 2 445 2 1/4 10 320 1 3/4 400 2 480 2 1/2